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Hierarchical Porous Carbon Arising from MOF Encapsulated Bacteria and its Energy Storage Potential

preprint
revised on 26.11.2019 and posted on 02.12.2019 by Shaobo Li, Xiaoshuang Zhou, Zhuo Chen, Fabian C. Herbert, Rangana Jayawickramage, Samitha D. Panangala, Michael A. Luzuriaga, Sampath B. Alahakoon, Shashini Mohottalalage, Xin Meng, Ling Fei, John P. Ferraris, Ron Smaldone, Jeremiah J. Gassensmith
Hierarchical porous carbons (HPCs) hold great promise in energy-related applications owing to their excellent chemical stability and well-developed porous structures. Attention has been drawn toward developing new synthetic strategies and precursor materials that permit greater control over composition, size, morphology, and pore structure. There is a growing trend of employing metal-organic frameworks (MOFs) as HPC precursors as their highly customizable characteristics favor new HPC syntheses. In this article, we report a biomimetically grown bacteria-templated MOF synthesis where the bacteria not only facilitate the formation of MOF nanocrystals, but also provides morphology and porosity control. The resultant HPCs show improved electrochemical capacity behavior compared to pristine MOF derived HPCs. Considering the broad availability of bacteria and ease of its production, in addition to significantly improved MOF growth efficiency on bacterial templates, we believe that bacteria-templated MOF is a promising strategy to produce a new generation of HPCs.

Funding

CAREER: Viral Capsids as Smart Nanocontainers

Directorate for Mathematical & Physical Sciences

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Robert A. Welch Grant AT-1989-20190330

History

Email Address of Submitting Author

gassensmith@utdallas.edu

Institution

University of Texas at Dallas

Country

USA

ORCID For Submitting Author

0000-0001-6400-8106

Declaration of Conflict of Interest

none

Version Notes

The version that begins with 3 (referee feedback)

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